Pathology · single question
Aphthous major ulcers are clinically distinguished from aphthous minor ulcers primarily by size. Aphthous major ulcers measure:
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Correct answer: A. Greater than 1 cm
- A. CORRECT. Aphthous major (Sutton's disease / periadenitis mucosa necrotica recurrens) ulcers are defined as greater than 1 cm (>10 mm) in diameter. They are deeper, more painful, heal with scarring, and can last weeks to months. They are most common in immunocompromised patients.
- B. Incorrect. 3–5 mm is within the minor aphthous ulcer size range.
- C. Incorrect. 5–10 mm is also within the aphthous minor range.
- D. Incorrect. Less than 3 mm would be below the range even for minor aphthous ulcers.